Cab , yes mine has the stock restrictors
MrP , will pull r covers and have a look .
Had a chat with machine shop . Noted he used a moroso/milodon(?) relief spring . Seemed to solve similar issue with his World block . He has a spare i can grab next weekend

Tex

Last edited by tex013; 08/19/19 06:44 AM.
New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive